CELL RECYCLING METHOD - LG CHEMICAL LTD

Title:

CELL RECYCLING METHOD

Document Type and Number:

WIPO Patent Application WO/2019/022409

Kind Code:

A1

Abstract:

A cell recycling method, according to the present invention, is a method for recycling a cell comprising: an electrode assembly in which electrodes and separation films are alternately assembled; an electrolyte; and a battery case for accommodating the electrode assembly and the electrolyte, and comprises: a negative pressure treatment step of applying negative pressure to the cell so as to move gas located between the electrodes to the outside of the electrode assembly; and an ultrasound treatment step of stimulating the cell by means of an ultrasound wave so as to move, between the electrodes, the electrolyte located outside of the electrode assembly.

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Inventors:

HONG CHUL GI (KR)
LEE JAE HYUN (KR)
KIM DONG KYU (KR)
KIM DAE SOO (KR)

Application Number:

PCT/KR2018/007826

Publication Date:

January 31, 2019

Filing Date:

July 10, 2018

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M10/052; H01M10/42; H01M10/44

Foreign References:

KR20160074430A	2016-06-28
KR101535051B1	2015-07-08
JP2017011978A	2017-01-12
KR20110132856A	2011-12-09
KR101753807B1	2017-07-04

Other References: